Rails:在数据库中存储加密数据

问题描述

我想加密数据库，因为正在存储机密数据.我将 mongodb 与 mongoid 一起使用.这种数据库可能吗?如果不是，您可以推荐哪些替代方案?

I want to encrypt database because confidential data is being stored. I use mongodb with mongoid. It possible for this kind of database? And what alternatives can you recomend, if it is not?

附言主要目的是:如果有人入侵服务器并窃取数据库，它将无法加密.

P.S. Main purpose is: if anybody hack the server and steal DB, it would be unencryptable.

更新:感谢 nickh，我发现了很多 ActiveRecord 的灵魂，但对于 Mongoid 和其他 Mongo clinets 没有.为 Mongo 和 Mongoid 找到一些灵魂会很棒！

UPDATE: thanks for nickh, I found very many soultions for ActiveRecord, but nothing for Mongoid and other Mongo clinets. It would be great to find some soultion for Mongo and Mongoid!

推荐答案

我已经获得了 attr_encrypted 与 Mongo 和 Mongoid 的合作.只需稍作调整.

I have gotten attr_encrypted working with Mongo and Mongoid. It takes only a few tweaks.

确保由 attr_encrypted 自动创建的所有 encrypted_ 字段都在模型中显式创建.例如，如果您有:

Make sure that all of the encrypted_ fields that are automatically created by attr_encrypted are explicitly created in the model. For instance, if you have:

    attr_encrypted :email, :key => 'blah blah blah', :encode => true

你需要:

    field :email, :type => String
    field :encrypted_email, :type => String

另请注意，您需要告诉它对加密字符串进行编码，否则 Mongo 会大声抱怨.

Also notice you need to tell it to encode the encrypted string otherwise Mongo will complain loudly.

最后，如果您要加密散列，请执行以下操作:

Lastly, if you're encrypting a hash, do this:

    field :raw_auth_hash, :type => Hash
    field :encrypted_raw_auth_hash, :type => String

    attr_encrypted :raw_auth_hash, :key => 'blah', :marshal => true, :encode => true

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